A Study of Solid CO2 by XPS

T. R. Dillingham, D. M. Cornelison, K. Galle, S. C. Tegler, B. L. Lutz

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


High quality solid CO2 films have been grown on a stainless steel cold-finger using a continuous flow liquid nitrogen system. The solid was formed from research grade (99.995% min. purity) CO2 gas using a gas nozzle placed directly over the cold-finger (at a temperature of approximately 77 K). The base pressure in the chamber was less than 5 × 10−10 T prior to deposition and upon gas introduction was increased, using a precision leak valve, to approximately 5 × 10−8 T. Films were grown in this pressure for 1 h. Gas purity was monitored using a Balzers Prisma QMS 300 quadrapole mass spectrometer. The solid CO2 films were characterized using x-ray photolelectron spectroscopy (XPS). The reported spectra include survey and high resolution scans for the major photoelectron peaks.

Original languageEnglish (US)
Pages (from-to)157-160
Number of pages4
JournalSurface Science Spectra
Issue number2
StatePublished - Apr 1 1996

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films


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